Defeat of Karna

Karna and Arjuna were sworn enemies in the epic, each having taken an oath to kill the other in the battle. On the sixteenth day of war, both being evenly matched, Karna launched a Nagastra at Arjuna, which was inhabited with Aswasena, a deadly snake that wanted revenge on Arjuna. Krishna saved Arjuna by lowering the chariot six inches in the ground. On the seventeenth day of battle the two foes faced each other once more